You can teleport almost anywhere in Minecraft using the "/tp" command, but you'll need to enable cheats in your world first.

Minecraft is a blocky game with a giant open world (60 million blocks) and although it looks hard to visit the world’s border, many Minecrafters have already achieved this. Either by patiently walking ...

Minecraft has three different dimensions: Overworld, Nether, and End. As you progress in the game, you will need to venture from the Overworld, to the Nether, and then to the End to finish its story.

End or Nether — you'll need special items like obsidian or Eyes of Ender.